Compact Mini Pleat Medium Filter | High Dust Capacity & Low Airflow Resistance
Premier Secondary Filtration: As a trusted AHU secondary filter supplier, our mini pleat medium filter is the premier choice for secondary filtration in demanding environments such as cleanrooms, pharmaceutical facilities, and industrial HVAC systems.
Advanced Separator Technology: By replacing bulky corrugated aluminum separators with continuous hot-melt glue beads, we maximize the effective filtration surface area within a compact footprint, creating a high-performance mini pleat panel filter for space-restricted air handling units.
High Dust Holding Capacity: This optimized pleat design creates a high dust holding capacity filter (up to 1120g) that maintains low initial pressure drop, ensuring extended operational longevity and significantly reduced fan energy consumption.
Environmental Stability: Engineered with a rigid anodized frame and high-integrity synthetic media, this robust unit acts as a highly reliable moisture resistant air filter that maintains consistent airflow even in high-humidity (up to 80% RH) operating conditions.


Customized Mini Pleat Filters: Precision Engineering & Source Manufacturing for Global Cleanroom Projects
Global Industrial Compliance: We combine high-performance media with rigorous engineering to produce certified mini pleat medium filter units that meet stringent EN779 (F6-F9) and ASHRAE (MERV 11-15) standards.
Superior Leakage Prevention: Each filter is fully sealed with high-elasticity polyurethane sealant and rigid framing, preventing air bypass and ensuring that 100% of intake air passes through our high-grade glass fiber mini pleat filter media.
Comprehensive Customization: As an established Medium mini pleat filter manufacturer, we offer full-dimensional OEM/ODM customization—including custom size F6~F9 mini pleat cleanroom filter options, flexible frame depths, non-standard dimensions, and specialized media configurations tailored to your exact system specs.
Source Manufacturer Reliability: Whether you require quick-turn replacements for compact AHU housings or large-scale wholesale F6~F9(Merv 11-15) industrial mini pleat filter procurement for international engineering contracts, our factory capabilities guarantee precision fit, direct pricing, and long-term structural integrity.
Mini Pleated Medium Filter Applications & Environments
Cleanroom Integration: Engineered as an ultra-compact cleanroom mini pleat medium filter, our units provide critical secondary filtration for semiconductor, pharmaceutical, and optics plants meeting strict ISO cleanliness standards.
Commercial & Industrial HVAC: Optimized for AHU mini pleat medium filter retrofits, the thin-profile design maximizes airflow and effective filtration area in space-constrained air handling units.
Food & Beverage Processing: Delivering a certified food processing mini pleat filter solution that maintains sterile conditions and prevents cross-contamination across automated filling, bottling, and packaging lines.
Healthcare & Research Facilities: High-efficiency particle interception designed for bio-safety cabinets, laboratories, and critical hospital ventilation medium filter infrastructure to protect sensitive environments.
Data Centers & Precision Electronics: High dust capacity performance tailored for data center mini pleat filtration to safeguard server racks and electronic hardware from micro-dust accumulation.
Mini Pleat Medium Filter: Factory-Direct Advantage vs. Market Standards
| Key Evaluation Criteria | Our Factory-Direct Filters | Standard Market Competitors |
|---|---|---|
| Compliance & Certification | Strictly compliant with ISO 16890/EN 779; each batch includes a traceable performance test report. | Often lack verified test data; efficiency claims are frequently overstated or inconsistent. |
| Filtration Stability | Advanced hot-melt pleating ensures uniform spacing, preventing media collapse during high airflow. | Traditional aluminum/paper separators easily warp or tear, causing airflow short-circuits. |
| Supply Chain Resilience | Direct factory production offers agile manufacturing, ensuring short lead times for large-scale B2B orders. | High reliance on intermediaries results in delayed shipping and limited production capacity. |
| Build & Structural Integrity | Reinforced high-strength extruded aluminum frames provide long-term vibration resistance and zero leakage. | Use of fragile cardboard or thin sheet metal often leads to frame deformation and air bypass. |
| Total Energy Efficiency | Optimized gradient-density media ensures low initial resistance (≤120-200 Pa), slashing HVAC energy consumption. | High-resistance designs force HVAC fans to run at higher power, significantly increasing operational costs. |
| Engineering Customization | Tailor-made solutions: flexible dimensions, frame types, and media grades to fit non-standard AHU specs. | Restricted to rigid, generic off-the-shelf sizes with zero capability for project-specific modification. |
| Dimension (mm) | Rated Air Flow (m³/h) | Initial Resistance (Pa) | Efficiency Class | Dust Holding Capacity (g) |
|---|---|---|---|---|
| 610 × 610 × 50 | 700 ~ 1500 | ≤ 120–200 | F6 ~ F9 | 450g |
| 915 × 610 × 50 | 1000 ~ 2200 | ≤ 120–200 | F6 ~ F9 | 680g |
| 1220 × 610 × 50 | 1400 ~ 3000 | ≤ 120–200 | F6 ~ F9 | 900g |
| 610 × 610 × 69 | 1000 ~ 2000 | ≤ 120–200 | F6 ~ F9 | 560g |
| 915 × 610 × 69 | 1500 ~ 3000 | ≤ 120–200 | F6 ~ F9 | 840g |
| 1220 × 610 × 69 | 2000 ~ 4000 | ≤ 120–200 | F6 ~ F9 | 1120g |
Note: These are standard specifications. For custom sizes or technical inquiries, 【please contact our engineering team.】
With 20 years of manufacturing experience, Chuqi New Materials is a leading mini pleat filter manufacturer supplying direct-factory solutions for global B2B procurement. We strictly control every stage of production—from pleating geometry and hot-melt spacing to final anodized frame assembly—ensuring each mini pleat medium filter strictly complies with ISO 16890, EN 779, and ASHRAE testing standards for critical clean-air operations.
Our integrated factory capabilities enable flexible OEM/ODM partnerships. By engineering optimized compact medium efficiency filter units and low pressure drop air filter designs, we help engineering contractors and distributors minimize fan energy costs while maximizing dust holding capacity. Whether you require a custom size mini pleat filter for tight AHU retrofits or bulk wholesale shipments for international projects, our facilities deliver the precision engineering and supply chain resilience your infrastructure demands.
Q1: Why choose a mini pleat medium filter over traditional pocket/bag filters for HVAC systems?
A: A mini pleat medium filter utilizes continuous hot-melt glue separator technology instead of bulky pockets or corrugated aluminum. This compact design increases the effective media surface area in a shallow 50mm to 100mm frame depth. As an energy-efficient bag filter replacement, it delivers lower initial pressure drop, higher dust holding capacity, and eliminates media collapse under turbulent airflow, significantly reducing HVAC operating costs.
Q2: What is the typical service life and maintenance cycle of a mini pleat panel filter?
A: The operational lifespan of a mini pleat panel filter typically ranges from 6 to 12 months, depending on ambient air quality and pre-filter efficiency. Thanks to its gradient-density glass fiber or synthetic media, it achieves a high dust holding capacity (up to 1120g). To maximize system uptime and extend downstream HEPA lifespan, we recommend replacing the unit once the terminal pressure drop reaches 250–300 Pa.
Q3: Can these compact filters withstand high humidity and demanding industrial environments?
A: Yes. Engineered with rigid anodized aluminum or plastic framing and moisture-resistant media, our units operate seamlessly as a reliable moisture resistant air filter. They maintain structural stability and zero bypass in operating environments with relative humidity up to 80% RH and temperatures reaching 80°C, making them ideal for pharmaceutical plants, food processing lines, and commercial air handlers.
Q4: How do I select the right efficiency grade (F6-F9 / MERV 11-15) for cleanroom or AHU integration?
A: Selection depends on your cleanroom ISO class and downstream equipment protection needs:
F6–F7 (MERV 11–13): Ideal for general commercial HVAC, data centers, and primary protection in hospital ventilation systems.
F8–F9 (MERV 14–15): Recommended for critical cleanroom secondary mini pleated air filter applications, protecting terminal HEPA/ULPA filters in semiconductor, optical, and pharmaceutical facilities.
Q5: Can Chuqi New Materials provide custom dimensions and frame materials for non-standard AHUs?
A: As an established source manufacturer, we specialize in producing custom size medium mini pleat filter solutions tailored to your exact system requirements. We offer flexible frame depths (including standard 50mm, 69mm, and 90mm options), extruded aluminum or galvanized steel casings, and custom gasket sealing configurations to fit non-standard AHU housings and OEM filtration units.



